Jayemdae Tome

Compulsive Research

Target player draws three cards. Then that player discards two cards unless they discard a land card.

Negate

Power Sink

Counter target spell unless its controller pays {X}. If that player doesn't, they tap all lands with mana abilities they control and lose all unspent mana.

Spell Blast

Counter target spell with mana value X. (For example, if that spell's mana cost is {3}{U}{U}, X is 5.)

Swamp

Whirlwind Denial

For each spell and ability your opponents control, counter it unless its controller pays {4}.

Scry 1. (Look at the top card of your library. You may put that card on the bottom.)
Draw a card.

Island

Terror

Destroy target nonartifact, nonblack creature. It can't be regenerated.

Blue Sun's Zenith

Target player draws X cards. Shuffle Blue Sun's Zenith into its owner's library.

Crux of Fate

Choose one —
• Destroy all Dragon creatures.
• Destroy all non-Dragon creatures.